A 1.0 M solution with respect to each of the metal halides AX_3, BX_2, CX_3 and DX_2 is electrolysed using platinum electrodes. If E^\circA^{3+} /A = 1.50V, E^\circB^{2+}/B = 0.3V, E^\circC^{3+}/C = 0.74V, E^\circD^{2+}/D = −2.37V. The correct sequence in which the various metals are deposited at the cathode is

UPSEE Solved Model Paper 6

Question : 89 of 150

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A 1.0 M solution with respect to each of the metal halides AX3,BX2,CX3 and DX2 is electrolysed using platinum electrodes. If E°A3+ /A = 1.50V, E°B2+/B = 0.3V, E°C3+/C = 0.74V, E°D2+/D = −2.37V. The correct sequence in which the various metals are deposited at the cathode is

A, B, C, D
A, B, C
D, C, B, A
C, B, A

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